<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="120px">
      <el-form-item label="标题" prop="title">
        <el-input v-model="queryParams.title" placeholder="请输入标题" clearable size="small"
          @keyup.enter.native="handleQuery" />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
          v-hasPermi="['town:chart:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate"
          v-hasPermi="['town:chart:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['town:chart:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
          v-hasPermi="['town:chart:export']">导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="chartList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="轮播图主键id" align="center" prop="id" v-if="false" />
      <el-table-column label="图片" align="center" prop="image">
        <template slot-scope="scope">
          <el-image v-for="(item, index) in scope.row.image" :key="index" :src="baseurl + item"
            :preview-src-list="[baseurl + scope.row.image]" :lazy="true" alt style="width:50px;height:50px;"></el-image>
        </template>
      </el-table-column>
      <el-table-column label="标题" align="center" prop="title" />
      <el-table-column label="内容" align="center" prop="content" />
      <el-table-column label="是否外链" align="center" prop="status">
        <template slot-scope="scope">
          <span>{{scope.row.status?'是':'否'}}</span>
        </template>
      </el-table-column>
      <el-table-column label="跳转地址" align="center" prop="pathUrl" />
      <el-table-column label="是否上架" align="center" prop="flag">
        <template slot-scope="scope">
          <el-switch :active-value="true" :inactive-value="false" v-model="scope.row.flag" active-color="#13ce66"
            inactive-color="#ff4949" active-text="否" inactive-text="是" @change="flagChange(scope.row)">
          </el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['town:chart:edit']">修改</el-button>
          <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
            v-hasPermi="['town:chart:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNum" :limit.sync="queryParams.pageSize"
      @pagination="getList" />

    <!-- 添加或修改轮播图管理对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="1200px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-form-item label="图片" prop="image">
          <imageUpload v-model="form.image" @uploadImage="backUploadImg" @remove="backUploadImg" :limit="1" />
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题" />
        </el-form-item>
        <el-form-item label="内容" prop="content">
          <el-input type="textarea" :rows="5" v-model="form.content" placeholder="请输入内容" />
        </el-form-item>
        <el-form-item label="是否外链" prop="status">
          <el-radio-group v-model="form.status">
            <el-radio :label="true">是</el-radio>
            <el-radio :label="false">否</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="跳转地址" prop="pathUrl">
          <el-input v-model="form.pathUrl" placeholder="请输入地址" />
        </el-form-item>
        <el-form-item label="是否上架" prop="flag">
          <el-radio-group v-model="form.flag">
            <el-radio :label="true">是</el-radio>
            <el-radio :label="false">否</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import { listChart, getChart, delChart, addChart, updateChart, exportChart } from "@/api/town/chart";
  import ImageUpload from '@/components/UploadImage';
  import Editor from '@/components/Editor';

  export default {
    name: "Chart",
    components: {
      ImageUpload,
      Editor,
    },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 轮播图管理表格数据
        chartList: [],
        // 弹出层标题
        title: "",
        // 是否显示弹出层
        open: false,
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10,
          flag: null,
          title: null,
          content: null,
          pathUrl: null
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          image: [{ required: true, message: "请上传图片", trigger: "change" }],
          title: [{ required: true, message: "请输入标题", trigger: "blur" }],
          content: [{ required: true, message: "请输入内容", trigger: "blur" }],
          pathUrl: [{ required: true, message: "请输入页面跳转路径", trigger: "blur" }],
          flag: [{ required: true, message: "请选择是否上架", trigger: "blur" }],
          status: [{ required: true, message: "请选择是否外链", trigger: "blur" }],
        }
      };
    },
    created() {
      this.getList();
    },
    methods: {
      /** 查询轮播图管理列表 */
      getList() {
        this.loading = true;
        listChart(this.queryParams).then(response => {
          const arr = response.rows.map(item => ({
            ...item,
            image: item.image ? item.image.split(",") : []
          }));
          this.chartList = arr;
          this.total = response.total;
          this.loading = false;
        });
      },
      // 取消按钮
      cancel() {
        this.open = false;
        this.reset();
      },
      // 表单重置
      reset() {
        this.form = {
          id: null,
          image: null,
          imageScale: null,
          status: false,
          flag: 0,
          createTime: null,
          title: null,
          content: null,
          pathUrl: null
        };
        this.resetForm("form");
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1;
        this.getList();
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm("queryForm");
        this.handleQuery();
      },
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      },
      /** 新增按钮操作 */
      handleAdd() {
        this.reset();
        this.open = true;
        this.title = "添加轮播图管理";
      },

      /** 图片上传组件成功回调 */
      backUploadImg(e) {
        this.form.image = e;
        console.log(e, 'e');
      },

      /** 是否已上架change事件 */
      flagChange(row) {
        let data = JSON.parse(JSON.stringify(row));
        data.image = data.image ? data.image.toString() : "";
        updateChart(data).then(response => {
          this.msgSuccess(response.msg);
          this.getList();
        });
      },

      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset();
        const id = row.id || this.ids
        getChart(id).then(response => {
          this.form = response.data;
          this.open = true;
          this.title = "修改轮播图管理";
        });
      },
      /** 提交按钮 */
      submitForm() {
        this.$refs["form"].validate(valid => {
          if (valid) {
            if (this.form.id != null) {
              updateChart(this.form).then(response => {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              });
            } else {
              addChart(this.form).then(response => {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              });
            }
          }
        });
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids;
        this.$confirm('是否确认删除轮播图管理编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delChart(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        })
      },
      /** 导出按钮操作 */
      handleExport() {
        const queryParams = this.queryParams;
        this.$confirm('是否确认导出所有轮播图管理数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportChart(queryParams);
        }).then(response => {
          this.download(response.msg);
        })
      }
    }
  };
</script>